class ObjectFile;
union DataRefImpl {
+ struct {
+ // ELF needs this for relocations. This entire union should probably be a
+ // char[max(8, sizeof(uintptr_t))] and require the impl to cast.
+ uint16_t a, b;
+ uint32_t c;
+ } w;
struct {
uint32_t a, b;
} d;
uintptr_t p;
};
+template<class content_type>
+class content_iterator {
+ content_type Current;
+public:
+ content_iterator(content_type symb)
+ : Current(symb) {}
+
+ const content_type* operator->() const {
+ return &Current;
+ }
+
+ const content_type &operator*() const {
+ return Current;
+ }
+
+ bool operator==(const content_iterator &other) const {
+ return Current == other.Current;
+ }
+
+ bool operator!=(const content_iterator &other) const {
+ return !(*this == other);
+ }
+
+ content_iterator& increment(error_code &err) {
+ content_type next;
+ if (error_code ec = Current.getNext(next))
+ err = ec;
+ else
+ Current = next;
+ return *this;
+ }
+};
+
static bool operator ==(const DataRefImpl &a, const DataRefImpl &b) {
// Check bitwise identical. This is the only legal way to compare a union w/o
// knowing which member is in use.
std::memset(&SymbolPimpl, 0, sizeof(SymbolPimpl));
}
- enum SymbolType {
+ enum Type {
ST_Function,
ST_Data,
ST_External, // Defined in another object file
error_code getAddress(uint64_t &Result) const;
error_code getOffset(uint64_t &Result) const;
error_code getSize(uint64_t &Result) const;
- error_code getSymbolType(SymbolRef::SymbolType &Result) const;
+ error_code getType(SymbolRef::Type &Result) const;
/// Returns the ascii char that should be displayed in a symbol table dump via
/// nm for this symbol.
/// Returns true for symbols that can be used in another objects,
/// such as library functions
error_code isGlobal(bool &Result) const;
+
+ DataRefImpl getRawDataRefImpl() const;
};
+typedef content_iterator<SymbolRef> symbol_iterator;
/// RelocationRef - This is a value type class that represents a single
/// relocation in the list of relocations in the object file.
error_code getAddress(uint64_t &Result) const;
error_code getSymbol(SymbolRef &Result) const;
error_code getType(uint32_t &Result) const;
+
+ /// @brief Get a string that represents the type of this relocation.
+ ///
+ /// This is for display purposes only.
+ error_code getTypeName(SmallVectorImpl<char> &Result) const;
error_code getAdditionalInfo(int64_t &Result) const;
+
+ /// @brief Get a string that represents the calculation of the value of this
+ /// relocation.
+ ///
+ /// This is for display purposes only.
+ error_code getValueString(SmallVectorImpl<char> &Result) const;
};
+typedef content_iterator<RelocationRef> relocation_iterator;
/// SectionRef - This is a value type class that represents a single section in
/// the list of sections in the object file.
error_code getSize(uint64_t &Result) const;
error_code getContents(StringRef &Result) const;
+ /// @brief Get the alignment of this section as the actual value (not log 2).
+ error_code getAlignment(uint64_t &Result) const;
+
// FIXME: Move to the normalization layer when it's created.
error_code isText(bool &Result) const;
error_code isData(bool &Result) const;
error_code isBSS(bool &Result) const;
error_code containsSymbol(SymbolRef S, bool &Result) const;
+
+ relocation_iterator begin_relocations() const;
+ relocation_iterator end_relocations() const;
};
+typedef content_iterator<SectionRef> section_iterator;
const uint64_t UnknownAddressOrSize = ~0ULL;
virtual error_code getSymbolNMTypeChar(DataRefImpl Symb, char &Res) const = 0;
virtual error_code isSymbolInternal(DataRefImpl Symb, bool &Res) const = 0;
virtual error_code isSymbolGlobal(DataRefImpl Symb, bool &Res) const = 0;
- virtual error_code getSymbolType(DataRefImpl Symb, SymbolRef::SymbolType &Res) const = 0;
+ virtual error_code getSymbolType(DataRefImpl Symb, SymbolRef::Type &Res) const = 0;
// Same as above for SectionRef.
friend class SectionRef;
virtual error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const =0;
virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const = 0;
virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res)const=0;
+ virtual error_code getSectionAlignment(DataRefImpl Sec, uint64_t &Res)const=0;
virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const = 0;
virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const = 0;
virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const = 0;
virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
bool &Result) const = 0;
+ virtual relocation_iterator getSectionRelBegin(DataRefImpl Sec) const = 0;
+ virtual relocation_iterator getSectionRelEnd(DataRefImpl Sec) const = 0;
// Same as above for RelocationRef.
SymbolRef &Res) const = 0;
virtual error_code getRelocationType(DataRefImpl Rel,
uint32_t &Res) const = 0;
+ virtual error_code getRelocationTypeName(DataRefImpl Rel,
+ SmallVectorImpl<char> &Result) const = 0;
virtual error_code getRelocationAdditionalInfo(DataRefImpl Rel,
int64_t &Res) const = 0;
+ virtual error_code getRelocationValueString(DataRefImpl Rel,
+ SmallVectorImpl<char> &Result) const = 0;
public:
- template<class content_type>
- class content_iterator {
- content_type Current;
- public:
- content_iterator(content_type symb)
- : Current(symb) {}
-
- const content_type* operator->() const {
- return &Current;
- }
-
- const content_type &operator*() const {
- return Current;
- }
-
- bool operator==(const content_iterator &other) const {
- return Current == other.Current;
- }
-
- bool operator!=(const content_iterator &other) const {
- return !(*this == other);
- }
-
- content_iterator& increment(error_code &err) {
- content_type next;
- if (error_code ec = Current.getNext(next))
- err = ec;
- else
- Current = next;
- return *this;
- }
- };
-
- typedef content_iterator<SymbolRef> symbol_iterator;
- typedef content_iterator<SectionRef> section_iterator;
- typedef content_iterator<RelocationRef> relocation_iterator;
virtual symbol_iterator begin_symbols() const = 0;
virtual symbol_iterator end_symbols() const = 0;
virtual section_iterator begin_sections() const = 0;
virtual section_iterator end_sections() const = 0;
- virtual relocation_iterator begin_relocations() const = 0;
- virtual relocation_iterator end_relocations() const = 0;
-
/// @brief The number of bytes used to represent an address in this object
/// file format.
virtual uint8_t getBytesInAddress() const = 0;
return OwningObject->isSymbolGlobal(SymbolPimpl, Result);
}
-inline error_code SymbolRef::getSymbolType(SymbolRef::SymbolType &Result) const {
+inline error_code SymbolRef::getType(SymbolRef::Type &Result) const {
return OwningObject->getSymbolType(SymbolPimpl, Result);
}
+inline DataRefImpl SymbolRef::getRawDataRefImpl() const {
+ return SymbolPimpl;
+}
+
/// SectionRef
inline SectionRef::SectionRef(DataRefImpl SectionP,
return OwningObject->getSectionContents(SectionPimpl, Result);
}
+inline error_code SectionRef::getAlignment(uint64_t &Result) const {
+ return OwningObject->getSectionAlignment(SectionPimpl, Result);
+}
+
inline error_code SectionRef::isText(bool &Result) const {
return OwningObject->isSectionText(SectionPimpl, Result);
}
Result);
}
+inline relocation_iterator SectionRef::begin_relocations() const {
+ return OwningObject->getSectionRelBegin(SectionPimpl);
+}
+
+inline relocation_iterator SectionRef::end_relocations() const {
+ return OwningObject->getSectionRelEnd(SectionPimpl);
+}
+
/// RelocationRef
inline RelocationRef::RelocationRef(DataRefImpl RelocationP,
return OwningObject->getRelocationType(RelocationPimpl, Result);
}
+inline error_code RelocationRef::getTypeName(SmallVectorImpl<char> &Result)
+ const {
+ return OwningObject->getRelocationTypeName(RelocationPimpl, Result);
+}
+
inline error_code RelocationRef::getAdditionalInfo(int64_t &Result) const {
return OwningObject->getRelocationAdditionalInfo(RelocationPimpl, Result);
}
+inline error_code RelocationRef::getValueString(SmallVectorImpl<char> &Result)
+ const {
+ return OwningObject->getRelocationValueString(RelocationPimpl, Result);
+}
+
} // end namespace object
} // end namespace llvm
projects / oota-llvm.git / blobdiff